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US 6,078,898 AGranted
System and method of transactional taxation using secure stored data devices
AssigneeSchlumberger Technologies, Inc.
InventorsRobert R. Davis, Jane B. Walton
Life of this patent
Estimating the term…
Abstract
A system for transactional taxation includes a secure stored data device, such as a smart card, having means for storing purchaser-specific data, an interface device for communicating with the secure stored data device and means for determining a tax rate on a purchase using the purchaser-specific data.
Claims47
A system for transactional taxation comprising:
- a) a purchaser-carried secure stored data device having means for storing purchaser-specific purchase history;
- b) an interface device for communicating with the secure stored data device;
- and
- c) means for determining a tax rate on a purchase using the purchaser-specific purchase history.
1 more element
A system for transactional taxation comprising:
- a) a secure stored data device having means for storing purchaser-specific data, the purchaser-specific data including:
- i) a purchase history of the purchaser;
- ii) an identity verification information;
- b) an interface device for communicating with the secure stored data device;
- c) an identification verification input;
- d) a network, including a means for ascertaining the pre-tax purchase price, a means for collecting accumulated tax collection information, and a means for communicating with the interface device;
- e) a tax server having a means for storing accumulated tax collection information uploaded form the network over a tax server-network communication means;
- and
- f) a means for determining a tax rate on a purchase using the purchaser-specific purchase history of the purchaser, including means for storing tax rate structure information.
6 more elements
A method of transactional taxation comprising the steps of:
- a) ascertaining a pre-tax purchase amount for a purchase;
- and
- b) using the pre-tax purchase amount and a purchaser-specific purchase history stored on a secure stored data device to determine a tax rate for the purchase.
A method of transactional taxation comprising the steps of:
- a) ascertaining the identity of a purchaser using information stored on a secure stored data device;
- b) ascertaining the eligibility of the purchaser to make the purchase using information stored on a secure stored data device;
- c) ascertaining the pre-tax purchase amount and sending the pre-tax purchase amount to a secure stored data device;
- d) using an executable program stored in a memory of the secure stored data device to:
- i) add the pre-tax purchase amount to a total purchase history amount of the purchaser to obtain a new total purchase history amount;
- ii) compare the new total purchase history amount to a tax chart stored in the memory of the secure stored data device to ascertain a tax rate;
- e) using the tax rate to determine a tax amount and a total purchase price;
- and
- f) communicating the total purchase amount to the purchaser.
6 more elements
Dependencies are inferred from the claim text.